Always use an original or high-grade OEM data cable. A loose connection mid-flash can permanently "hard-brick" your device.
: Modifying BIOS data is high-risk. Entering incorrect values can lead to software errors or potentially bricking the motherboard if used improperly. Are you looking to use this tool for a motherboard replacement or for another technical reason? lenovo u1 tool
Ensure your Lenovo device has at least 50% to 60% battery life to prevent it from shutting down unexpectedly during a system rewrite. Always use an original or high-grade OEM data cable